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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 July 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind light increasing to southwest 10 to 15 knots early this morning and to southwest 15 to 25 late this morning with gusts to 50 near thunderstorms today. Wind becoming west 10 to 15 this evening then increasing to northwest 15 to 25 Wednesday morning. Wind becoming west 15 Wednesday evening.

Showers this afternoon and this evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 14 July 2026
Thursday Wind west 10 to 20 knots.
Friday Wind northwest 10 to 15 knots.
Saturday Wind light becoming southwest 10 to 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Donnacona to Beauport

Issued 03:00 AM EDT 14 July 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Watches (In effect)

Squall watch in effect

Donnacona to Beauport

Issued 09:29 AM EDT 14 July 2026 This afternoon and this evening, conditions are favourable for the development of squalls with wind gusts of up to 50 knots, frequent lightning, hail and poor to very poor visibilities due to rain showers at times heavy.

Consider delaying or postponing travel in areas under the Squall Watch.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 14 July 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northwest-southeast
over western Quebec.
By 8:00 p.m. EDT Wednesday trough located on a line
northwest-southeast over Newfoundland.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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